WGL615117:
The Market Place, Malines, c.1884 (watercolour & gum arabic over pencil with gouache on paper), Callow, William (1812-1908) / Bridgeman Images
CH402450:
Verona: Corso Sant' Anastasia and the Palazzo Maffei, 1855 (pencil & watercolour heightened with white on paper), Callow, William (1812-1908) / Bridgeman Images